Home / 188,143.86-259,618.96-106,481.28

Finding the Fourth Proportional to 188,143.86, 259,618.96 and 106,481.28

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Solution

The fourth proportional to 188,143.86, 259,618.96 and 106,481.28 is: 146,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,143.86 : 259,618.96 = 106,481.28 : x
  2. Step 2: Convert to fraction form
    188,143.86/259,618.96 = 106,481.28/x
  3. Step 3: Cross multiply
    188,143.86x = 259,618.96 × 106,481.28
  4. Step 4: Simplify right side
    188,143.86x = 27,644,559,173.07
  5. Step 5: Solve for x
    x = 27,644,559,173.07/188,143.86
  6. Step 6: Final answer
    x = 146,933.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.